Electrogastrography
Electrogastrography (EGG) is used to diagnose and study stomach rhythm. Disturbances in the stomach's pacemaker can produce nausea and vomiting.
To prepare for this study:
- Do not eat or drink anything after midnight (If you are diabetic, please talk to your physician)
- You may take medications two hours before the study with sips of water
- You may brush your teeth